A. Lange & Söhne Datograph Flyback Ref. 403.032
Complications Watch (Flyback Chronograph with Big Date) · A. Lange & Söhne (Richemont Group), Haute Horlogerie tier, widely considered the pinnacle of German watchmaking.
Period: Modern Luxury (1990s-present) Neo-Classical design influenced by 19th-century German pocket watches.
Type
Complications Watch (Flyback Chronograph with Big Date)
Brand
A. Lange & Söhne (Richemont Group), Haute Horlogerie tier, widely considered the pinnacle of German watchmaking.
Movement
Manual/Hand-wound mechanical, Caliber L951.1 featuring 405 parts, 40 jewels, 18,000 vph frequency, and approx 36-hour power reserve.
Dimensions
Case diameter: 39mm; Thickness: 12.8mm; Lug-to-lug: 48mm; Lug width: 20mm.
Description
The Datograph is often cited by experts as one of the finest serially produced chronographs in history. This rose gold version offers a warmer aesthetic compared to the original platinum model. It is defined by its architectural dial layout—balancing the oversized date at 12 with lowered sub-dials—and a movement finish that is virtually unparalleled in the industry.
Key Features
The patented 'Outsize Date', the flyback complication allowing instant reset and restart, and the use of untreated German silver for the movement plates.
Dial Description
Silver/Argenté dial with two sub-dials at 4 and 8 o’clock creating an equilateral triangle with the outsize date at 12. Applied rose gold Roman numerals and baton indices; alpha-style luminous hands.
Case Material
18k Rose Gold (Pink Gold) with a high-polished finish on the bezel and lugs, and a brushed/satin mid-case.
Crystal Type
Slightly domed scratch-resistant sapphire crystal with anti-reflective coating on both sides.
Bezel Details
Fixed, polished 18k rose gold bezel with a smooth, steep profile characteristic of the Datograph line.
Crown & Pushers
Rose gold fluted crown with brand logo; rectangular 'pump' style pushers at 2 and 4 o'clock for chronograph functions; date correction pusher at 10.
Bracelet or Strap
Dark brown alligator leather strap with tone-on-tone hand stitching and an 18k rose gold tang buckle.
Caseback Details
Exhibition screw-down caseback with sapphire window revealing the intricate German silver bridges, hand-engraved balance cock, and column-wheel mechanism.
Movement Type
Manual/Hand-wound mechanical, Caliber L951.1 featuring 405 parts, 40 jewels, 18,000 vph frequency, and approx 36-hour power reserve.
Water Resistance
30 Meters (3 ATM). Splash-proof only; not recommended for swimming or any submersion due to the leather strap and delicate chronograph seals.
Origin & Provenance
Glashütte, Germany. Features an in-house manufacture movement with traditional Saxon finishings.
Age Estimate
Produced approximately between 2003 and 2012 (this specific rose gold variant followed the original platinum release).
Cultural Significance
A cornerstone of modern horology that cemented Germany's return to the top tier of watchmaking following the reunification of Germany and the brand's rebirth in 1990.
Condition Notes
Appears to be in Good condition with some visible wear on the leather strap and surface micro-scratches on the polished gold bezel. No significant dings or crystal chips visible.
Value Estimate
Market value ranges from $65,000 to $85,000 USD depending on the presence of original box and papers, and the service history. Full sets command the highest premiums.
Care & Maintenance
Full movement service recommended every 5–7 years by Lange authorized service centers. Avoid magnets and extreme shocks. Keep the alligator strap dry to prevent rot.
Similar Watches
Patek Philippe 5170R, Vacheron Constantin Les Collectionneurs Chronograph, and the Lange Datograph Up/Down (Ref. 405.035) which is larger at 41mm.
Interesting Facts
When released in 1999, the Datograph's movement was so superior it reportedly prompted Patek Philippe to begin developing their own in-house chronograph caliber to compete. Legend Philippe Dufour famously wears a Datograph.